Adrian Ash is head of research at BullionVault, the secure, low-cost gold and silver market for private investors online, where you can fully allocated bullion already vaulted in your choice of London, New York, Singapore, Toronto or Zurich for just 0.5% commission.

Please Note: This article is to inform your thinking, not lead it. Only you can decide the best place for your money, and any decision you make will put your money at risk. Information or data included here may have already been overtaken by events – and must be verified elsewhere – should you choose to act on it.